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1
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The longest wavelength of light that can initiate photo electric effect in the metal of work function 9 eV is
A
$1.37 \times 10^{-7} \mathrm{~m}$
B
$1.5 \times 10^{-7} \mathrm{~m}$
C
$3.7 \times 10^{-7} \mathrm{~m}$
D
$4 \times 10^{-7} \mathrm{~m}$
2
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Energy required to remove an electron from aluminium surface is 4.2 eV . If light of wavelength $2000 \mathring{A}$ falls on the surface, the velocity of the fastest ejected electron the surface will be
A
$84 \times 10^5 \mathrm{~ms}^{-1}$
B
$7.4 \times 10^6 \mathrm{~ms}^{-1}$
C
$64 \times 10^5 \mathrm{~ms}^{-1}$
D
$84 \times 10^6 \mathrm{~ms}^{-1}$
3
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The following statement is correct in the case of photoelectric effect

A
For a given frequency of incident radiation, the stopping potential varies linearly with its intensity.
B
For a given frequency of incident radiation, the photocurrent is independent of its intensity.
C
For a given frequency of a incident radiation, the maximum kinetic energy of the photoelectrons is independent of its intensity.
D
For a frequency lower than cutoff frequency, photoelectric emissions can occur if intensity of incident light is increased slightly.
4
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

In a photoelectric experiment light of wavelength 800 nm produces photoelectrons with the smallest de-Broglie wavelength of 1 nm . Light of 400 nm produces photoelectrons with smallest de-Broglie wavelength of 0.5 nm. Then the work function of the metal used in the experiment is nearly.

A
1.03 eV
B
0.53 eV
C
2.03 eV
D
4.02 eV
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AP EAPCET 2024 - 23th May Morning Shift (1) AP EAPCET 2024 - 22th May Evening Shift (1) AP EAPCET 2024 - 22th May Morning Shift (1) AP EAPCET 2024 - 21th May Evening Shift (1) AP EAPCET 2024 - 21th May Morning Shift (1) AP EAPCET 2024 - 20th May Evening Shift (1) AP EAPCET 2024 - 20th May Morning Shift (1) AP EAPCET 2024 - 19th May Evening Shift (1) AP EAPCET 2024 - 18th May Morning Shift (1) AP EAPCET 2022 - 5th July Morning Shift (1) AP EAPCET 2022 - 4th July Evening Shift (1) AP EAPCET 2022 - 4th July Morning Shift (1) AP EAPCET 2021 - 20th August Morning Shift (1) AP EAPCET 2021 - 19th August Evening Shift (1) AP EAPCET 2021 - 19th August Morning Shift (1)
AP EAPCET Subjects
Physics
Mechanics
Units & Measurement and DimensionsVector AlgebraMotion in a Straight LineMotion in a PlaneCircular MotionLaws of MotionWork, Energy and PowerCenter of Mass and CollisionRotational MotionElasticityFluid MechanicsHeat and ThermodynamicsSimple Harmonic MotionWavesGravitation
Optics
Ray OpticsWave Optics
Electromagnetism
ElectrostaticsCurrent ElectricityCapacitorMoving Charges and MagnetismMagnetism and MatterElectromagnetic InductionAlternating CurrentElectromagnetic Waves
Modern Physics
Atoms and NucleiDual Nature of RadiationSemiconductor Devices and Logic GatesCommunication Systems
Chemistry
Physical Chemistry
Some Basic Concepts of ChemistryAtomic StructureStates of MatterThermodynamicsChemical EquilibriumIonic EquilibriumLiquid SolutionRedox ReactionsSurface ChemistrySolid StateElectrochemistryChemical Kinetics
Inorganic Chemistry
Periodic Table and PeriodicityChemical Bonding and Molecular StructureMetallurgyHydrogen and It's Compoundss-Block Elementsp-Block Elementsd and f Block ElementsCoordination CompoundsEnvironmental Chemistry
Organic Chemistry
IUPAC NomenclaturesGeneral Organic ChemistryIsomerismHydrocarbonsHaloalkanes and HaloarenesAlcohol, Phenols and EthersAldehyde and KetoneCarboxylic Acids and Its DerivativesCompounds Containing NitrogenPolymersBiomoleculesChemistry in Everyday LifePractical Organic Chemistry
Mathematics
Algebra
Sets and RelationsLogarithmsQuadratic EquationsSequences and SeriesPermutations and CombinationsProbabilityBinomial TheoremVector AlgebraThree Dimensional GeometryMatrices and DeterminantsStatisticsMathematical ReasoningComplex Numbers
Trigonometry
Trigonometric Ratios & IdentitiesTrigonometric EquationsInverse Trigonometric FunctionsProperties of Triangles
Calculus
FunctionsLimits, Continuity and DifferentiabilityDifferentiationApplication of DerivativesIndefinite IntegrationDefinite IntegrationArea Under The CurvesDifferential Equations
Coordinate Geometry
Straight Lines and Pair of Straight LinesCircleParabolaEllipseHyperbola